Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-05-11
Europhys.Lett. 75 (2006) 730-736
Physics
High Energy Physics
High Energy Physics - Theory
6 pages, 3 figures; v2: references added
Scientific paper
10.1209/epl/i2006-10191-8
We present arguments for the existence of self-dual Yang-Mills instantons for several spherically symmetric backgrounds with Euclidean signature. The time-independent Yang-Mills field has finite action and a vanishing energy momentum tensor and does not disturb the geometry. We conjecture the existence of similar solutions for any nonextremal SO(3)-spherically symmetric background.
Brihaye Yves
Radu Eugen
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